static int tipc_nl_compat_link_set(struct tipc_nl_compat_cmd_doit *cmd, struct sk_buff *skb, struct tipc_nl_compat_msg *msg) { struct tipc_link_config *lc; struct tipc_bearer *bearer; struct tipc_media *media; int len; lc = (struct tipc_link_config *)TLV_DATA(msg->req); len = TLV_GET_DATA_LEN(msg->req); len -= offsetof(struct tipc_link_config, name); if (len <= 0) return -EINVAL; len = min_t(int, len, TIPC_MAX_LINK_NAME); if (!string_is_valid(lc->name, len)) return -EINVAL; media = tipc_media_find(lc->name); if (media) { cmd->doit = &__tipc_nl_media_set; return tipc_nl_compat_media_set(skb, msg); } bearer = tipc_bearer_find(msg->net, lc->name); if (bearer) { cmd->doit = &__tipc_nl_bearer_set; return tipc_nl_compat_bearer_set(skb, msg); } return __tipc_nl_compat_link_set(skb, msg); }
static int tipc_nl_compat_link_set(struct tipc_nl_compat_cmd_doit *cmd, struct sk_buff *skb, struct tipc_nl_compat_msg *msg) { struct tipc_link_config *lc; struct tipc_bearer *bearer; struct tipc_media *media; lc = (struct tipc_link_config *)TLV_DATA(msg->req); media = tipc_media_find(lc->name); if (media) { cmd->doit = &tipc_nl_media_set; return tipc_nl_compat_media_set(skb, msg); } bearer = tipc_bearer_find(msg->net, lc->name); if (bearer) { cmd->doit = &tipc_nl_bearer_set; return tipc_nl_compat_bearer_set(skb, msg); } return __tipc_nl_compat_link_set(skb, msg); }